Troubleshooting steps
Check power supply verify electrical connections check circuit breaker
HVAC Error Codes
PF – Power failure
Power failure detected
Details
System has detected a power interruption.
Error typewarning
MeaningPower failure
Typical causesPower outage power surge electrical fault
SolutionsCheck power supply verify electrical connections check circuit breaker
Severitylow
Catalog references
Where this appears
TranePF
Utilities
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FAQ
Common questions
System damaged?
Unlikely. System should resume operation after power is restored.
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